import java.util.*;


public class Test {
 Studen[] stu = new Studen[100];
 Scanner sc = new Scanner(System.in);
 String obj[] = {"a", "b", "c", "d"};
 int s[] = new int[4];
 int i = 0;
 Test(){
  input();
 }
 void input(){
  String inf;
 
  while(true){
   System.out.print("문자를 입력 : ");
   inf = sc.nextLine();
   
   if(inf.equals("i")){
    for(int j =0 ; j< obj.length; j++){
     
     System.out.print(obj[j]+"과목 점수 :");
     s[j] = sc.nextInt();sc.nextLine();
     if(s[j] >100 || s[j]<0){
      System.out.println("성적재입력!");
      j--;
     }
     
     stu[i] = new Studen(s);
     i++;
    }
   }
   else if(inf.equals("c")){
    for(int j = 0 ; j<i ; j++){
     System.out.println(j+1+"번째 학생");
     System.out.println(stu[j].print());
    }
   }
   else{
    break;
   }
   }
  
 }
 
 public static void main(String[] args) {
  new Test();

 }

}

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public class Studen {
 String obj[] = {"a", "b", "c", "d"};
 int sco[];
 
 Studen(int[] sco){
  this.sco = sco;
 }
 
 public String print(){
  return (
    "a : "+ sco[0] + ", b : " +sco[1] + ", c : " + sco[2] + ", d : "+ sco[3]
    );
 }
}
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왜 값을 다르게 넣었는데 같게 나올까요? ㅠ